All practice questions

1884 questions

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While driving on a level road, you notice that the steering feels unusually heavy and sluggish when turning. Which tyre defect or condition is the most likely cause of this issue?

The front tyres are significantly under-inflated

The front tyres are inflated above the recommended pressure

The front tyres have worn below the legal minimum tread depth of

1.6\text{ mm}

The tyre pressures were set when the tyres were completely cold

Show answer & explanation

Answer: The front tyres are significantly under-inflated

Answer

The front tyres are significantly under-inflated.

When front tyres are under-inflated, the tyre carcass flexes and a larger surface area remains in contact with the road. This substantially increases rolling resistance and friction, requiring noticeably greater effort from the driver (or steering system) to turn the wheels.

Step-by-Step Solution

Identify the reported vehicle handling symptom

The driver experiences heavy, sluggish steering during turns on a level road surface.

Vehicle handling symptoms directly correspond to specific mechanical and pneumatic tyre conditions.

Evaluate the mechanical effects of incorrect tyre pressures

Low tyre pressure allows the tyre sidewalls to flex excessively, increasing rolling resistance and the surface contact area, which requires greater effort to turn the wheels.

Under-inflation increases frictional resistance at the steering axle, whereas over-inflation reduces the contact patch.

Select the condition matching the heavy steering symptom

Under-inflated front tyres are the direct cause of heavy steering.

Neither illegal tread depth nor standard cold-pressure adjustment causes increased steering resistance.

Key Concept

Tyre Pressure Effects on Vehicle Handling and Safety

Estimated Time:50s

Question 922Question →

Match each school-related traffic sign or road marking with the corresponding driver duty and hazard anticipation required to protect children.

Click a left item, then click its matching right item

Show answer & explanation

Answer

Each sign and marking matches its specific Highway Code duty: the School Crossing Patrol requires a mandatory stop until the carriageway is clear; flashing twin amber lights signal peak school hours requiring reduced speed; yellow zig-zags prohibit stopping or parking to preserve sightlines; and the triangular children warning sign alerts drivers to a school or playground ahead.

Matching each traffic sign and road marking to its defined legal rule and hazard anticipation requirement ensures compliance with the Highway Code and prioritises the safety of children, who are smaller, less visible, and more prone to impulsive actions near the carriageway.

Step-by-Step Solution

Identify the legal obligation when confronted by an active School Crossing Patrol.

Recognise the statutory duty to stop completely and remain stationary until the road is fully clear.

Failing to stop for a school crossing patrol is an offence and endangers vulnerable children.

Interpret the operational meaning of flashing twin amber lights on school approach signs.

Associate the lights with active school arrival/departure times requiring an immediate reduction in speed.

Children often travel in groups during these hours and may lack mature traffic judgment.

Evaluate the restriction indicated by yellow zig-zag road markings outside schools.

Identify that stopping, waiting, and dropping off passengers are strictly prohibited.

Stationary vehicles obscure small children from approaching drivers and block children's views of oncoming traffic.

Determine the hazard indicated by the standard triangular warning sign showing children.

Connect the sign to an approaching school or playground environment where children may step off the pavement.

Advance warning signs give drivers time to scan pavements and driveways proactively.

Key Concept

Highway Code regulations, warning signals, and environmental controls designed to protect child pedestrians near schools and play areas.

Estimated Time:1m 15s

Question 923Question →

You are driving along an exposed bypass in severe weather conditions with sudden wind gusts and patches of fog. Ahead of you, a high-sided box van is swaying unpredictably across lane markings. What should you do to maintain safe margins?

Pull in closer behind the van to shield your car from side buffeting

Increase your following distance by dropping well back and hold back from overtaking

Keep to your usual two-second time gap because side winds only affect large vehicles

Overtake immediately at high speed to minimise the time spent travelling near the van

Show answer & explanation

Answer: Increase your following distance by dropping well back and hold back from overtaking

Answer

Increase your following distance by dropping well back and hold back from overtaking

High-sided vehicles are especially vulnerable to crosswinds and can easily be blown out of their lane. When combined with reduced visibility from fog, drivers should drop well back to expand their safety margin and wait until the vehicle is stable and the road is clear before attempting to pass.

Step-by-Step Solution

Identify environmental and dynamic hazards

Recognise that high winds cause high-sided vehicles to veer unpredictably and fog reduces reaction time.

Hazard perception requires evaluating how combined adverse conditions affect other road users.

Apply defensive safety margin principles

Create a substantial buffer zone behind the unstable vehicle and defer overtaking until conditions are safe and clear.

Increasing separation distance gives adequate space to brake smoothly and observe developing hazards without becoming trapped.

Key Concept

Adjusting separation distance and avoiding hazardous overtakes near unstable high-sided vehicles in gusty wind and poor visibility

Estimated Time:1m 0s

Question 924Question →

While driving along a town centre street, you see an individual using a walking frame begin to cross the road ahead. What should you do?

Flash your headlights repeatedly to tell them that you are giving way and they should hurry

Slow down and stop well back, allowing them all the time they need to cross safely

Accelerate past them quickly through the gap before opposing traffic approaches

Steer around them abruptly without checking your vehicle mirrors or blind spots

Show answer & explanation

Answer: Slow down and stop well back, allowing them all the time they need to cross safely

Answer

Slow down and stop well back, allowing them all the time they need to cross safely.

Older people and individuals with disabilities or walking aids often take significantly longer to cross the road. Drivers must exercise patience, slow down, and stop well back from the crossing point so the person does not feel rushed or threatened.

Step-by-Step Solution

Identify the vulnerable road user ahead

Recognise that an individual with a walking frame moves slowly and requires extra time to cross the road.

Pedestrians with mobility difficulties may take longer to cross and may not be able to react quickly to approaching traffic.

Determine the safe driving response

Decide to slow down gently, stop at a safe distance, and wait patiently until they reach the pavement.

Stopping well back prevents intimidating the pedestrian and provides a safety buffer in accordance with the Highway Code.

Key Concept

Consideration and patience for pedestrians with mobility impairments

Estimated Time:45s

Question 925Question →

When driving on an exposed road in severe gale conditions, maintaining a normal two-second following distance behind a high-sided vehicle is acceptable because the vehicle ahead blocks the crosswind and creates a stable buffer zone.

True

False

Show answer & explanation

Answer: False

Answer

False

The statement is false because the two-second following rule is solely a minimum baseline for dry, benign conditions. High-sided vehicles are severely affected by crosswinds and can be blown off course or need to brake abruptly. Drivers following behind must substantially increase their following distance to compensate for turbulence and maintain a safe stopping buffer.

Step-by-Step Solution

Analyse the hazard profile of high-sided vehicles in gale-force crosswinds

High-sided vehicles catch strong side winds easily, making them susceptible to sudden swerving, loss of control, shedding loads, or sudden braking.

Recognising vehicle vulnerability in crosswinds establishes the need for enhanced caution.

Evaluate the aerodynamic and visibility impact on a closely trailing vehicle

Trailing closely does not provide a safe buffer; instead, it exposes the vehicle to turbulent wake, restricts forward visibility, and severely curtails stopping space.

Understanding the aerodynamic wake prevents dangerous tailgating assumptions.

Apply Highway Code principles regarding adverse weather safety margins

The two-second rule is strictly a baseline for dry, calm conditions; severe crosswinds require extending the time gap and stopping margin considerably.

Increasing following distances ensures sufficient time and space to react to sudden hazard events ahead.

Key Concept

Adjusting separation distances and safety margins behind high-sided vehicles in severe crosswinds

Question 926Question →

You are driving along a busy urban street and intend to turn left into a side road. A bus has pulled up at a bus stop on your left just before the junction, and pedestrians are waiting to cross the entrance of the side road. Which TWO actions should you take to ensure pedestrian safety?

Select all that apply

Anticipate and check for pedestrians stepping out from behind or in front of the stationary bus

Give way and allow the pedestrians waiting at the side road junction to cross before turning

Flash your headlights to invite the waiting pedestrians across the junction

Focus your attention strictly on oncoming vehicular traffic while maintaining normal turning speed

Show answer & explanation

Answer: Anticipate and check for pedestrians stepping out from behind or in front of the stationary bus; Give way and allow the pedestrians waiting at the side road junction to cross before turning

Answer

Anticipate pedestrians emerging from around the stationary bus, and give way to the pedestrians waiting to cross the side road junction.

Drivers must anticipate that passengers alighting from or rushing toward a stationary bus may step into the carriageway without looking. Furthermore, according to Highway Code Rule H2, drivers turning into a side road must give priority to pedestrians crossing or waiting to cross.

Step-by-Step Solution

Identify blind zones created by the stationary bus.

Recognise that hidden pedestrians may cross from behind or in front of the bus unexpectedly.

Large vehicles block visibility, making proactive scanning and hazard anticipation essential.

Apply Highway Code Rule H2 at the side road junction.

Wait and yield priority to pedestrians waiting at or crossing the side street mouth.

The hierarchy of road users requires drivers turning into junctions to give priority to pedestrians.

Key Concept

Anticipating pedestrian hazards near public transport and applying Rule H2 junction priority

Estimated Time:1m 0s

Question 927Question →

When encountering livestock on the road, you should stop your vehicle and switch off the engine if requested to do so by the person in charge of the animals.

True

False

Show answer & explanation

Answer: True

Answer

True

The statement is true because Highway Code Rule 214 clearly instructs drivers that when passing animals, they must keep their speed down, give them ample room, and stop—switching off the engine if requested by the person in charge of the animals.

Step-by-Step Solution

Identify the relevant rule for encountering animals on public roads.

Highway Code Rule 214 applies to driving past animals and livestock.

Animals can be unpredictable and easily frightened by vehicle movement and engine noise.

Determine the driver's required response to signals from an animal handler.

Drivers must obey the handler's request to stop and switch off the engine.

Stopping and cutting engine noise ensures the animals remain calm and allows them to pass or be cleared safely.

Key Concept

Driver responsibilities and safety protocols when encountering livestock and animal handlers under Highway Code Rule 214.

Estimated Time:30s

Question 928Question →

A driver who consumed alcohol earlier in the evening is travelling along a multi-lane dual carriageway. When approaching a developing incident ahead that requires an emergency stop, how does residual alcohol in their bloodstream directly affect their stopping performance and hazard perception?

It increases braking distance by reducing tyre grip on the road surface, whilst leaving thinking distance unchanged

It causes the driver to fixate exclusively on the nearest vehicle ahead without altering their overall decision-making time

It increases thinking distance by slowing reaction time and degrades the driver's ability to judge closing speeds accurately

It reduces mechanical braking efficiency, requiring the driver to depress the clutch and coast to maintain vehicle stability

Show answer & explanation

Answer: It increases thinking distance by slowing reaction time and degrades the driver's ability to judge closing speeds accurately

Answer

It increases thinking distance by slowing reaction time and degrades the driver's ability to judge closing speeds accurately.

Alcohol is a depressant drug that slows neural transmission in the brain. This directly increases driver reaction time, which results in a greater thinking distance before the brakes are applied. Additionally, alcohol impairs visual scanning, depth perception, and cognitive judgment, making it much harder to evaluate closing distances and identify developing hazards in time.

Step-by-Step Solution

Analyze the physiological effects of alcohol on driver faculties

Alcohol depresses the central nervous system, leading to delayed cognitive processing, poorer spatial awareness, and impaired depth perception.

Understanding the biological impact of alcohol is necessary to determine which driving metrics are degraded.

Distinguish between thinking distance and braking distance components of total stopping distance

Thinking distance is the distance travelled while the driver recognizes the hazard and applies the brakes, whereas braking distance depends on vehicle physics and road condition.

Driver impairment directly increases thinking distance because it extends the reaction time required to initiate braking.

Evaluate the impact on hazard perception and speed estimation

Alcohol impairs peripheral vision and slows ocular accommodation, making it difficult to judge the relative speed and distance of hazards ahead.

Safe high-speed driving relies on accurate anticipation and continuous assessment of relative closing speeds.

Key Concept

Impact of alcohol impairment on driver reaction time, thinking distance, and hazard perception

Estimated Time:1m 30s

Question 929Question →

Older and disabled pedestrians and road users often have distinct visual indicators and mobility characteristics. Which driver awareness consideration corresponds to each road user situation? Match each road user situation on the left with its correct safety consideration on the right.

Click a left item, then click its matching right item

Show answer & explanation

Answer

An older pedestrian preparing to cross matches with needing extra crossing time and potentially misjudging vehicle speeds; a pedestrian with a red-banded white stick matches with being deafblind; a pedestrian with a burgundy-coated dog matches with having a hearing impairment; and a mobility scooter user on the carriageway matches with traveling at up to 8 mph with a lower visual profile.

According to the UK Highway Code, older pedestrians may take longer to cross the road and may misjudge approaching vehicle speeds. A white cane with red reflective bands indicates that the person is deafblind. An assistance dog wearing a burgundy coat is trained by Hearing Dogs for Deaf People, signaling that the handler is hard of hearing. Mobility scooters permitted on the road (Class 3) have a maximum speed of 8 mph and a low profile, requiring extra driver vigilance.

Step-by-Step Solution

Identify the specific physical or sensory needs associated with each pedestrian and vehicle indicator.

Recognised the specific visual cues used by deafblind individuals (red bands on a white stick), deaf individuals (burgundy dog coat), older pedestrians (reduced mobility and perception), and mobility scooter users on roads (8 mph limit).

The UK Highway Code sets out clear indicators and guidance for interacting safely with vulnerable road users.

Match each road user situation directly to the primary safety hazard and required driver awareness.

All four items correctly paired with their corresponding Highway Code safety facts.

Drivers must adapt their speed, following distance, and anticipation based on the specific vulnerabilities of road users.

Key Concept

Identifying visible disability aids, age-related mobility factors, and road safety rules for vulnerable road users under the UK Highway Code.

Estimated Time:1m 0s

Question 930Question →

Before setting off on a long journey, you measure the tread depth on your car's tyres. What is the legal minimum tread depth that must be maintained across the central three-quarters of the tyre's tread width and around its entire outer circumference?

1.0 mm

2.5 mm

1.6 mm

3.0 mm

Show answer & explanation

Answer: 1.6 mm

Answer

1.6 mm across the central three-quarters of the tyre's breadth and around the entire outer circumference.

Under UK law, tyres on passenger cars must have a minimum tread depth of 1.6 mm. This depth must be present throughout a continuous band covering the central three-quarters of the breadth of the tread and around the entire outer circumference of the tyre.

Step-by-Step Solution

Identify the vehicle category and relevant UK statutory regulation.

The vehicle is a passenger car, which is governed by standard UK light vehicle tyre tread regulations.

Different vehicle classes, such as motorcycles or heavy goods vehicles, operate under different statutory limits.

Recall the legal minimum measurement and area coverage required for cars.

The statutory minimum depth is 1.6 mm across the central three-quarters of the breadth of the tread and throughout the entire outer circumference.

Ensuring adequate tread depth in the primary contact band allows effective water dispersal to prevent aquaplaning.

Distinguish between advisory safety recommendations and statutory legal thresholds.

1.6 mm is the legal cut-off, whereas 3.0 mm is purely an advisory replacement threshold.

Failing to meet the 1.6 mm limit makes the vehicle unroadworthy and illegal to drive on public roads.

Key Concept

UK Legal Minimum Tyre Tread Depth for Cars

Estimated Time:45s

Question 931Question →

When following a vehicle towing a caravan or trailer on a single-carriageway road, maintaining an increased following distance improves your forward view and helps you anticipate oncoming moving hazards.

True

False

Show answer & explanation

Answer: True

Answer

True. Increasing your following distance behind a towing vehicle widens your field of view, enabling earlier detection of oncoming moving hazards and bends.

The statement is correct because large or towing vehicles block forward sightlines. Staying well back expands your angle of view down the road, allowing you to see oncoming traffic, road signs, and road geometry in good time, while keeping your vehicle clearly visible in the other driver's exterior mirrors.

Step-by-Step Solution

Assess the physical hazard posed by large or towing vehicles.

Trailers and caravans significantly obstruct direct line-of-sight to the road ahead and create larger blind spots for both drivers.

Understanding visual obstruction is essential to identifying developing dynamic hazards early.

Determine the effect of vehicle separation on sightlines and reaction capability.

A greater separation distance expands the visual angle around the obstruction and provides an adequate safety buffer for braking.

Maintaining distance prevents tunnel vision and ensures the towing driver can see you in their mirrors.

Evaluate the accuracy of the statement based on defensive driving principles and Highway Code guidelines.

The statement accurately reflects safe driving practices regarding moving hazards and following distances.

Good observation and anticipation are the primary defences against unexpected road hazards.

Key Concept

Observation and positioning when following bulky moving hazards

Estimated Time:45s

Question 932Question →

How can effective forward planning and hazard anticipation help a driver improve fuel efficiency when navigating heavy traffic?

By focusing solely on the vehicle directly ahead to react instantly to sudden brake lights

By allowing smooth acceleration and deceleration to maintain steady vehicle momentum

By shifting into neutral to let the vehicle roll freely whenever traffic slows down ahead

By executing frequent lane changes to bypass stationary queues into moving gaps

Show answer & explanation

Answer: By allowing smooth acceleration and deceleration to maintain steady vehicle momentum

Answer

By allowing smooth acceleration and deceleration to maintain steady vehicle momentum

Looking well ahead and anticipating road conditions allows drivers to adjust their speed smoothly, ease off the accelerator early, and keep the vehicle moving steadily. Conserving momentum reduces the need to accelerate hard from a standstill, which significantly lowers fuel consumption and exhaust emissions.

Step-by-Step Solution

Analyze the driving environment and recognize how traffic flow impacts fuel usage

Identified that frequent stopping, sudden acceleration, and harsh braking consume significantly more fuel than steady, continuous movement

Overcoming vehicle inertia from a complete stop requires substantially more engine power and fuel than maintaining moderate momentum

Apply eco-safe driving principles regarding forward observation and anticipation

Determined that looking well ahead allows a driver to adjust speed early by easing off the throttle in gear rather than braking heavily at the last moment

Smooth speed adjustments preserve vehicle kinetic energy, reduce brake wear, and optimize fuel economy

Select the option that correctly demonstrates eco-safe progression

Maintaining vehicle momentum through smooth driving inputs directly achieves maximum fuel efficiency

Anticipation prevents erratic driving and minimizes fuel-costly stop-start driving cycles

Key Concept

Eco-safe driving through forward planning, anticipation, and momentum conservation

Estimated Time:1m 0s

Question 933Question →

You are driving along an unlit dual carriageway at night when a thick bank of fog suddenly reduces your visibility to approximately 50 metres. What should you do to maintain safe driving margins and vehicle visibility?

Maintain your usual two-second following gap and closely track the rear lights of the vehicle ahead

Switch on dipped headlights and fog lights, reduce your speed, and significantly increase your following distance

Switch on main-beam headlights and maintain the posted speed limit to keep traffic flowing smoothly

Apply the standard four-second following rule used for wet roads and travel using only your sidelights

Show answer & explanation

Answer: Switch on dipped headlights and fog lights, reduce your speed, and significantly increase your following distance

Answer

Turn on dipped headlights and fog lights, reduce speed, and significantly increase the separation distance behind the vehicle ahead.

When visibility is reduced to 100 metres or less, the Highway Code requires the use of dipped headlights and fog lights. Because visibility is limited to 50 metres, speed must be reduced substantially and following distance must be greatly increased so that the vehicle can comfortably stop within the visible distance ahead.

Step-by-Step Solution

Assess the forward visibility against Highway Code criteria.

Visibility of 50 metres is well below the statutory 100-metre threshold for using front and rear fog lights (Rule 226).

Correct lighting ensures your vehicle is conspicuous to other road users without causing excessive glare.

Adjust vehicle lighting correctly.

Dipped headlights and fog lights are activated, avoiding main beam which reflects light back into the driver's eyes.

Dipped beams illuminate the road surface immediately ahead rather than scattering against fog particles.

Recalculate speed and safety margins.

Vehicle speed is reduced and following distance is extended beyond normal margins.

Drivers must always be able to pull up smoothly within the distance they can clearly see to be clear.

Key Concept

Adjusting safety margins, speed, and lamp usage in dense fog conditions

Estimated Time:45s

Question 934Question →

While travelling along a suburban road at dusk, you observe a public bus setting down passengers at a designated stop on your side of the carriageway. Simultaneously, an oncoming vehicle flashes its headlights as it nears the restriction. Which course of action represents the safest response to anticipate and manage these developing hazards?

Accelerate past the bus immediately, interpreting the oncoming driver's flashed headlights as an invitation of right of way.

Check mirrors, slow down, and prepare to give way, anticipating pedestrians crossing from around the bus and recognizing that the oncoming driver is only signalling their presence.

Maintain your cruising speed while fixating exclusively on the oncoming vehicle's position to gauge passing clearance.

Pull directly into the opposing lane to overtake the bus without conducting a right-side shoulder check for filtering two-wheelers.

Show answer & explanation

Answer: Check mirrors, slow down, and prepare to give way, anticipating pedestrians crossing from around the bus and recognizing that the oncoming driver is only signalling their presence.

Answer

Check mirrors, slow down, and prepare to give way, anticipating pedestrians crossing from around the bus and recognizing that the oncoming driver is only signalling their presence.

The correct action is to check mirrors, reduce speed, and be ready to stop. When approaching a bus at a stop, drivers must anticipate disembarking passengers stepping unexpectedly into the road. Furthermore, flashing headlights must only be regarded as a warning of another vehicle's presence, not as an invitation of priority or a guarantee of safe passage.

Step-by-Step Solution

Scan the wider driving environment and identify all developing hazard elements simultaneously.

Recognize the stationary bus, disembarking pedestrians, and the approaching oncoming vehicle as multiple overlapping hazards.

Effective hazard perception requires early detection of both static and moving risks rather than reacting to a single hazard.

Correctly interpret vehicle signals according to the Highway Code.

Treat the oncoming driver's flashing headlights strictly as a notice of their presence, not as an offer of priority.

Assuming flashing headlights give right of way is dangerous and contradicts official UK driving standards.

Check rear and door mirrors, ease off the accelerator, and prepare to stop.

Speed is safely reduced, creating time and space to react if a pedestrian steps out from behind or in front of the bus.

Pedestrians often cross obscured by large passenger vehicles, requiring defensive speed adjustment and ready braking.

Key Concept

Multi-hazard anticipation and signal interpretation around stationary public service vehicles

Estimated Time:1m 15s

Question 935Question →

At a pelican crossing, a flashing amber light means you must give way to pedestrians who are still crossing.

True

False

Show answer & explanation

Answer: True

Answer

True

At a pelican crossing, the flashing amber light means drivers must give way to pedestrians who are already on the crossing. You may only proceed once the crossing is completely clear.

Step-by-Step Solution

Identify the crossing type and signal state.

The crossing is a pelican crossing displaying a flashing amber traffic signal.

Different crossing types (such as pelican, puffin, and toucan) have specific operational rules for their signal phases.

Apply Highway Code Rule 196 regarding flashing amber lights.

Drivers must give way to any pedestrians still on the crossing, but may proceed if the road is clear.

This phase provides crossing pedestrians sufficient time to finish while preventing unnecessary traffic delays when clear.

Key Concept

Pelican crossing flashing amber rules and pedestrian priority

Estimated Time:30s

Question 936Question →

When driving past horses on the road, why is it important to keep your vehicle's engine revs low and avoid sudden acceleration?

To ensure other drivers in your blind spots are aware of your presence

Horses are easily startled by sudden noise and can react unpredictably

To give a sound warning to the rider without having to sound your horn

To signal to oncoming traffic that they should flash their headlights and proceed

Show answer & explanation

Answer: Horses are easily startled by sudden noise and can react unpredictably

Answer

Horses are easily startled by sudden noise and can react unpredictably

Horses can be easily frightened by loud or unexpected noises. Keeping engine revs low and avoiding harsh acceleration prevents the horse from being startled, ensuring the safety of the horse, rider, and surrounding road users.

Step-by-Step Solution

Identify the natural behavioural characteristics of horses on or near the road.

Recognise that horses are flight animals that are sensitive to sound and easily startled by unexpected noises.

Understanding animal instincts helps drivers anticipate risks and adjust their driving behaviour accordingly.

Apply safe driving and noise reduction practices when passing horses.

Keep engine revs low, drive slowly, allow plenty of room, and avoid rapid acceleration.

Keeping the vehicle quiet and smooth prevents the horse from bolting into the path of traffic.

Key Concept

Safe driving near horses requires keeping engine revs low and avoiding sudden noise, as horses can be easily frightened and behave unpredictably.

Estimated Time:45s

Question 937Question →

You are travelling across an elevated river viaduct where patchy fog reduces visibility to less than 100 metres and strong crosswinds cause vehicle buffeting. Which TWO actions should you take to maintain safe margins?

Select all that apply

Operate your fog lights while visibility remains severely impaired, switching them off once conditions improve.

Substantially increase your following distance from the vehicle ahead.

Drive closely behind the leading vehicle to follow its rear lights through the fog.

Maintain the standard two-second following gap because high winds only affect steering, not braking distance.

Show answer & explanation

Answer: Operate your fog lights while visibility remains severely impaired, switching them off once conditions improve.; Substantially increase your following distance from the vehicle ahead.

Answer

Use fog lights when visibility is under 100 metres (turning them off when it improves) and substantially increase following distance.

In dense fog where visibility drops below 100 metres, using fog lights ensures you can see and be seen, provided they are switched off once visibility improves to prevent dazzling other drivers. Additionally, expanding your following distance creates an essential safety buffer to react safely to sudden braking or wind-induced vehicle swerving.

Step-by-Step Solution

Assess lighting requirements under Highway Code Rule 226

Activate fog lights because forward visibility is below the 100-metre threshold, planning to turn them off once visibility clears

Fog lights make your vehicle conspicuous to other road users without dazzling them once conditions recover

Adjust longitudinal and lateral safety margins for combined fog and wind hazards

Increase the separation gap beyond standard dry-weather following distance

Reduced visibility delays hazard detection while wind turbulence causes vehicle instability, demanding greater braking and thinking margins

Key Concept

Adjusting lighting and following margins in fog and high crosswinds

Estimated Time:1m 0s

Question 938Question →

A passenger car is travelling at a constant speed of $60\text{ mph}$ ( $96\text{ km/h}$ ) on a dry, level tarmac road, where its standard braking distance is $55\text{ metres}$ . Heavy rainfall subsequently coats the road surface with water, reducing tyre grip. According to The Highway Code, what is the vehicle's expected braking distance in metres under these wet road conditions?

Show answer & explanation

Answer: 110

Answer

110 metres

Under Rule 126 and the general guidance of The Highway Code, wet weather significantly reduces tyre grip, requiring at least double (

2\times

) the standard dry braking distance. At

60\text{ mph}

, the dry braking distance is

55\text{ metres}

, making the wet braking distance

55\text{ metres} \times 2 = 110\text{ metres}

Step-by-Step Solution

Determine the standard braking distance on a dry surface

Braking distance on dry road =

55\text{ metres}

The baseline braking distance for a vehicle travelling at

60\text{ mph}

under ideal dry conditions is

55\text{ metres}

(

180\text{ feet}

Apply the wet road surface multiplier factor

Multiplier =

2\times

Water between the tyre tread and road surface reduces friction, which doubles the required braking distance under UK Highway Code rules.

Calculate the resulting wet braking distance

55\text{ m} \times 2 = 110\text{ metres}

Multiplying the baseline dry braking distance by the wet road multiplier provides the total distance covered while decelerating to a complete stop.

Key Concept

Effect of wet road surfaces on vehicle braking distance

Estimated Time:1m 0s

Question 939Question →

Match each situation involving alcohol or medication with the correct safety precaution or legal requirement.

Click a left item, then click its matching right item

Show answer & explanation

Answer

Over-the-counter medicine with drowsiness warnings matches reading the label and avoiding driving if sleepy; acting as a designated driver matches consuming no alcohol; morning-after travel matches using alternative transport due to lingering alcohol; starting prescription medicine matches consulting a healthcare professional.

Each pair correctly matches a common driving situation involving alcohol or medicines to its appropriate Highway Code safety rule or medical advice. Drivers are legally responsible for ensuring they are fit to drive before getting behind the wheel.

Step-by-Step Solution

Examine the precaution for over-the-counter medication with drowsiness warnings

Identified that drivers must check warning labels and avoid driving if drowsy

Non-prescription medicines can cause severe impairment, making it illegal and dangerous to drive if affected.

Determine the rule for an agreed designated driver

Identified that the designated driver must remain completely alcohol-free

The safest approach is zero alcohol consumption so driving ability and reaction times remain unaffected.

Assess the risk of morning-after driving after heavy alcohol intake

Identified the need for alternative transport due to time needed for alcohol elimination

Sleep and coffee do not speed up alcohol elimination; significant amounts of alcohol often remain in the bloodstream the next morning.

Identify the duty when starting new prescription medication

Identified consulting a doctor or pharmacist regarding driving safety

Medical professionals clarify whether specific dosages impair driving fitness.

Key Concept

Driver responsibilities and precautions regarding alcohol consumption, prescription drugs, and over-the-counter medicines

Question 940Question →

While travelling through a busy commercial district with cars parked along the kerb, you spot exhaust fumes emerging from a stationary vehicle ahead whose front wheels are turned outwards towards the lane. What is the safest course of action to take?

Increase your speed to pass the stationary vehicle before it begins moving out into your path.

Slow down progressively, assess your mirrors, leave adequate clearance, and be prepared to stop if the vehicle pulls out.

Maintain your cruising speed while fixating your gaze strictly on the stationary car's rear bumper.

Steer towards the centre line immediately to overtake without checking your right exterior mirror or blind spot.

Show answer & explanation

Answer: Slow down progressively, assess your mirrors, leave adequate clearance, and be prepared to stop if the vehicle pulls out.

Answer

Slow down progressively, assess your mirrors, leave adequate clearance, and be prepared to stop if the vehicle pulls out.

Observing exhaust fumes and wheels turned towards the carriageway indicates that a parked vehicle is preparing to move off into the flow of traffic. Defensive driving principles dictate that you must reduce speed smoothly, check your mirrors to understand surrounding traffic conditions, give a generous clearance buffer (at least the width of an open car door), and remain prepared to stop if the driver moves out without looking.

Step-by-Step Solution

Identify early indicators of movement from static roadside vehicles.

Recognised exhaust fumes and outward-turned wheels as clear signs that a parked vehicle is preparing to enter live traffic.

Early hazard perception gives the driver time to adjust speed and road position before an obstruction blocks the lane.

Check interior and exterior mirrors while gently easing off the accelerator.

Assessed following traffic and reduced vehicle momentum without sudden braking.

Allows following drivers to react smoothly to your speed reduction and ensures you know what is around your vehicle.

Adopt a safe road position providing at least a door-width clearance and cover the brake.

Maintained a defensive safety margin to stop safely if the driver pulls out without looking.

Guards against opening car doors, emerging pedestrians, and sudden pull-out manoeuvres from the kerb.

Key Concept

Defensive anticipation and management of static roadside hazards and moving-off indicators

Estimated Time:1m 0s

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Common Mistakes

Answer

Step-by-Step Solution

Key Concept

Common Mistakes

Answer

Step-by-Step Solution

Key Concept

Common Mistakes

Answer

Step-by-Step Solution

Key Concept

Common Mistakes

Answer

Step-by-Step Solution

Key Concept

Common Mistakes

Answer

Step-by-Step Solution

Key Concept

Common Mistakes

Answer

Step-by-Step Solution

Key Concept

Common Mistakes

Answer

Step-by-Step Solution

Key Concept

Common Mistakes

Answer

Step-by-Step Solution

Key Concept

Common Mistakes

Answer

Step-by-Step Solution

Key Concept

Common Mistakes

Answer

Step-by-Step Solution

Key Concept

Common Mistakes

Answer

Step-by-Step Solution

Key Concept